The Earth's atmosphere is composed of 78% nitrogen, 20% oxygen and the remaining 2% is composed of various trace gases. The percentages are based on molar fractions.

Select ALL the correct statements regarding the atmosphere at room temperature.

Select one or more:

-Some oxygen gas molecules could move faster than some nitrogen gas molecules at a particular moment

-All the gas molecules move at the same speed

-The nitrogen gas molecules, on average, move slower than the oxygen gas molecules

-The nitrogen gas molecules, on average, move faster than the oxygen gas molecules

-Some nitrogen gas molecules could move faster than some oxygen gas molecules at a particular moment

Answer rating: 100% (QA)

78 N 2 20 O 2 2 others At same temp V ... View the full answer